the president commented today on the battle over michigan's so-called right to work bill. hundreds of demonstrators showed up at the state capitol in lansing to protest the measure. it would make it illegal to force workers to join unions or more specifically to pay dues. supporters say it will bring more jobs to the state but opponents say non-union workers will end up getting union benefits for free. they claim the real goal is to weaken organized labor. >> these so called right to work laws, they don't have to do with economics. they have everything to do with politics. what they're really talking about is giving you the right to work for less money. >> this is a state issue. indiana did this under governor mitch daniels a couple years ago. they've had some job growth since then. we have to compete. my district is along the state line. we have to compete with them. >> reporter: if it happens, this would be -- michigan would be the 24th state toes pa the law. the house and senate approved their own versions last week. they're set to pass final bill tomorrow. opponents ar